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[SOLVED] Accessing the device serial number through avrISP versus through boot_signature_byte_get
  I am having a problem determining the correct unique serial number on an ATmega328PB when using avrISP, and I was hoping for a little insight into what I'm doing wrong....
Tuesday, 21 May 2019 - 15:37
OptiLoader port to Particle and SPI clock stretching
(cross posted to WestfW/OptiLoader on GitHub)   Hi all ,   I'm trying to port OptiLoader over to the Particle Platform so that I can use an Electron to flash Optiboot to...
Tuesday, 12 February 2019 - 03:41
Optiboot behaviour when no application loaded
I'm wondering about how Optiboot works when no application is loaded.  In my testing I have observed the following strange behaviour:   No power cycle, Optiboot runs...
Wednesday, 5 December 2018 - 17:42
Puff of smoke in air. 3 different PCBs. Does my PCB have ghosts?
Yes, that is a haiku.  No I'm not smiling. I'm doing some standard testing; seeing what happens when one of the two power rails gets shorted to GND on a PCB that I designed....
Tuesday, 16 October 2018 - 00:20
Hex file addresses different than STK500 addresses
Hey all,   I'm writing an app to run on a host MCU that allows it to flash a client MCU with a firmware update using optiboot.   I hooked up a logic analyzer to my UART...
Tuesday, 25 September 2018 - 23:10
Compiling Optiboot for ATmega328PB
Hey guys,   Trying to compile Optiboot for an ATmega328PB.   I just downloaded AVR toolchain v3.6.1 from Microchip and did a fresh clone of the Optiboot repo onto my...
Monday, 24 September 2018 - 18:22
Example of STK500 UART programmer code
Hey all,   I have an ATmega328PB that is running a (modified) version of Optiboot that come packaged with the MiniCore project for the Arduino IDE.   I have a second MCU...
Wednesday, 19 September 2018 - 20:02
Solved: RTC code works on one PCB, but not the other
Hey guys,   I'm pulling my hair out over here.  I'm trying to figure out why one PCB seems to run my RTC clock code without any problems, while the other one gets stuck...
Tuesday, 11 September 2018 - 20:09
Should I code my own bootloader
Hey everyone,   I'm building a project where I will need to implement a bootloader on the ATmega328PB that will allow me to download/flash new firmware from a host UART...
Friday, 7 September 2018 - 19:53
Timer2 Prescaler for use as asynchronous RTC ( real time clock )
Hey all,   I'm trying to use the Timer2 asynchronous external clock feature of the ATmega328PB in order to configure an RTC.   I have an external 32.768 kHz crystal...
Friday, 27 July 2018 - 18:11
Documentation on start frame detection interrupt for ATmega328PB
Hi all,   I'm looking for documentation on start frame interrupt functionality on the ATmega328PB.   There is an off-hand mention of this capability in section 24.9.4...
Wednesday, 18 July 2018 - 19:57
Importing Arduino Sketch to Atmel studio built on MiniCore - ATmega328PB
Hi all,   I'm trying to use Atmel Studio 7.0.1931 to import an Arduino sketch that I built using the MiniCore project on an ATmega328PB   The project builds and compiles...
Tuesday, 17 July 2018 - 16:38

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